How Haymakers For Hope aims to knock out cancer

Derek Zagami checks in with first-time fighter Siobhan Elvin as she shows him a few moves you can see at the Haymakers for Hope event that raises money to knock out cancer.  Follow NBC10 Boston’s The Hub Today: https://instagram.com/thehubtoday https://facebook.com/TheHubToday https://twitter.com/TheHubToday https://tiktok.com/@nbc10boston